Year Percent 2000 99.48471 2001 99.48487 2002 99.48503 2003 99.48518 2004 99.48534 2005 99.48549 2006 99.48565 2007 99.48581 2008 99.48596 2009 99.48612 2010 99.48613 2011 99.48613 2012 99.48613 2013 99.48613 2014 99.48613 2015 99.48613 2016 99.48613 2017 99.48613 2018 99.48613 2019 99.48613 2020 99.48613 2021 99.48613 2022 99.48613